WO2017076056A1 - Procédé et appareil de transfert de service - Google Patents

Procédé et appareil de transfert de service Download PDF

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Publication number
WO2017076056A1
WO2017076056A1 PCT/CN2016/089454 CN2016089454W WO2017076056A1 WO 2017076056 A1 WO2017076056 A1 WO 2017076056A1 CN 2016089454 W CN2016089454 W CN 2016089454W WO 2017076056 A1 WO2017076056 A1 WO 2017076056A1
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Prior art keywords
service
forwarding
obu
enb
specified
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PCT/CN2016/089454
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English (en)
Chinese (zh)
Inventor
许辉
马子江
卢忱
谢玉堂
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中兴通讯股份有限公司
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Priority to EP16861326.3A priority Critical patent/EP3373605A1/fr
Publication of WO2017076056A1 publication Critical patent/WO2017076056A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/50—Service provisioning or reconfiguring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H04W84/22—Self-organising networks, e.g. ad-hoc networks or sensor networks with access to wired networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface

Definitions

  • the present application relates to, but is not limited to, the field of communications, and in particular, to a service forwarding method and apparatus.
  • Communication-based collision warning system through the use of advanced wireless communication technology and next-generation information processing technology, real-time information interaction between vehicles and vehicles, vehicles and roadside infrastructure, to inform each other's current status (including the location of the vehicle, Speed, acceleration, driving route) and learned road environment information, collaboratively aware of road hazard conditions, timely providing a variety of collision warning information to prevent road traffic safety accidents, and become a kind of current problem of many countries trying to solve road traffic safety problems New ideas.
  • FIG. 1 is a schematic diagram of sending traffic and scheduling information to a vehicle through a network information platform in the related art.
  • the Road Side Unit can receive vehicle requests, ensure that the vehicle accesses the Internet (Internet), and has the function of a gateway; in addition, it also has the functions of data calculation, storage, and forwarding.
  • DSRC Dedicated Short Range Communication
  • LTE Long Time Evolution
  • IEEE Institute of Electrical and Electronics Engineers
  • 802.11P is responsible for physical layer and Medium Access Control (MAC) technology
  • MAC Medium Access Control
  • 1609 is responsible for the upper layer specification.
  • IEEE-based V2X technology has just begun to be discussed and there are no standards.
  • the LTE V2X technology being discussed by the 3rd Generation Partnership Project (3GPP) includes: the RSU can be implemented by a static user equipment (User Equipment, UE for short) or a base station (eNB), V2V/V2I. /V2P may be implemented through a PC5 interface or a Uu port, where the PC5 interface refers to an air interface of a device to device (D2D), and the Uu port refers to an air interface between the UE and the eNB.
  • the PC5 interface refers to an air interface of a device to device (D2D)
  • D2D device to device
  • the Uu port refers to an air interface between the UE and the eNB.
  • 3GPP proposes a Multimedia Broadcast Multicast Service (MBMS), which is a technology for transmitting data from one data source to multiple target mobile terminals, and realizes the network.
  • MBMS Multimedia Broadcast Multicast Service
  • the sharing of resources improves the utilization of network resources (especially air interface resources).
  • the 3GPP proposed a single-cell MBMS research topic in Release 13 (Release 13, R13 for short-term evolution, LTE-A for short), where the single-cell MBMS service is in the physical downlink shared channel (Physical Downlink Shared Channel, referred to as PDSCH).
  • PDSCH Physical Downlink Shared Channel
  • This document provides a service forwarding method and device to solve at least the problem in the related art that it is difficult to forward V2X services through the Uu port.
  • the embodiment of the invention provides a service forwarding method, including:
  • the base station eNB receives a request message sent by the onboard unit OBU for instructing to forward the car network V2X service; the eNB sends a forwarding policy for instructing to forward the designated V2X service through the Uu port to the OBU in response to the request message; or Sending, by the eNB, a forwarding policy for indicating that the specified V2X service is forwarded through the Uu interface to the OBU;
  • the eNB forwards the specified V2X service to the target forwarding area.
  • the request message includes at least one of the following: a data size of the V2X service, a time period for forwarding the V2X service, a probability of forwarding a V2X service, a frequency or a period for sending the V2X service, and forwarding V2X.
  • a data size of the V2X service a time period for forwarding the V2X service
  • a probability of forwarding a V2X service a frequency or a period for sending the V2X service
  • forwarding V2X forwarding V2X.
  • the identifier of the OBU of the service the V2X service identifier
  • the priority of the V2X service the reason why the OBU requests to forward the V2X service.
  • the target forwarding area includes: a cell where the OBU is located, or a cell where the OBU is located and a neighboring cell.
  • the eNB determines, by using the following manner, how to forward the specified V2X service:
  • the eNB selects a forwarding mode according to the V2X service attribute and a local policy, where the forwarding mode includes at least one of the following: single-cell point-to-multipoint SC-PTM, system broadcast message SIB, paging message, multicast/ Multicast single frequency network MBSFN, public early warning system PWS, unicast.
  • the sending, by the eNB, to the OBU, in response to the request message, indicating that the forwarding policy of forwarding the specified V2X service by using the Uu interface includes:
  • the eNB determines a factor of the forwarding policy, where the factor includes at least one of the following: the V2X service attribute, an operator policy, the Uu port load, and a local load of the eNB;
  • the eNB determines, according to the factor, a forwarding policy that is used to forward the specified V2X service by using the Uu interface, where the forwarding policy carries the type of the specified V2X service.
  • the type of the V2X service includes at least one of the following: a periodic V2X service, an event-triggered V2X service, and a basic security message.
  • the method before the eNB receives the specified V2X service sent by the OBU according to the forwarding policy, the method further includes:
  • the eNB configures to upload resources of the V2X service through the Uu interface.
  • the embodiment of the invention further provides a service forwarding method, including:
  • the onboard unit OBU sends a request message for instructing forwarding of the car network V2X service to the base station eNB;
  • the OBU receives a forwarding policy sent by the eNB to indicate that the specified V2X service is forwarded through the Uu interface;
  • the OBU sends the specified V2X service to the eNB according to the forwarding policy, so that the eNB can forward the specified V2X service to the target forwarding area.
  • the request message includes at least one of the following: a data size of the V2X service, a time period for forwarding the V2X service, a probability of forwarding a V2X service, a frequency or a period for sending the V2X service, and forwarding V2X.
  • a data size of the V2X service a time period for forwarding the V2X service
  • a probability of forwarding a V2X service a frequency or a period for sending the V2X service
  • forwarding V2X forwarding V2X.
  • the identifier of the OBU of the service the V2X service identifier
  • the priority of the V2X service the reason why the OBU requests to forward the V2X service.
  • the embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented when the computer executable instructions are executed.
  • the embodiment of the invention further provides a service forwarding device, which is applied to the eNB side of the base station, and includes:
  • the first receiving module is configured to: receive a request message sent by the onboard unit OBU for instructing to forward the car network V2X service; the first sending module is configured to: send, according to the request message, the UBU to indicate that the Uu is sent Transmitting, by the port, a forwarding policy of the specified V2X service; and/or, the second sending module is configured to: send, to the OBU, a forwarding policy for indicating that the specified V2X service is forwarded through the Uu interface;
  • the processing module is configured to: receive the specified V2X service sent by the OBU according to the forwarding policy, and determine a target forwarding area of the V2X service;
  • the first forwarding module forwards the specified V2X service to the target forwarding area.
  • the request message includes at least one of the following: a data size of the V2X service, a time period for forwarding the V2X service, a probability of forwarding a V2X service, a frequency or a period for sending the V2X service, and forwarding V2X.
  • a data size of the V2X service a time period for forwarding the V2X service
  • a probability of forwarding a V2X service a frequency or a period for sending the V2X service
  • forwarding V2X forwarding V2X.
  • the identifier of the OBU of the service the V2X service identifier
  • the priority of the V2X service the reason why the OBU requests to forward the V2X service.
  • the target forwarding area includes: a cell where the OBU is located, or a cell where the OBU is located and a neighboring cell.
  • the eNB determines, by using the following manner, how to forward the specified V2X service:
  • the eNB selects a forwarding mode according to the V2X service attribute and a local policy, where the forwarding mode includes at least one of the following: single-cell point-to-multipoint SC-PTM, system broadcast message SIB, paging message, multicast/ Multicast single frequency network MBSFN, public early warning system PWS, unicast.
  • the first sending module includes:
  • an obtaining unit configured to: determine a factor of the forwarding policy, where the factor includes at least one of the following: the V2X service attribute, an operator policy, the Uu port load, and a local load of the eNB;
  • the sending unit is configured to: determine, according to the factor, a forwarding policy for instructing to send the specified V2X service by using the Uu interface, where the forwarding policy carries the type of the specified V2X service.
  • the type of the V2X service includes at least one of the following: a periodic V2X service, an event-triggered V2X service, and a basic security message.
  • the device before receiving the specified V2X service sent by the OBU according to the forwarding policy, the device further includes:
  • the configuration module is configured to: allocate resources for uploading V2X services through the Uu interface.
  • the embodiment of the invention further provides a service forwarding device, which is applied to the OBU side of the vehicle-mounted unit, and includes:
  • the third sending module is configured to: send, to the base station eNB, a request message for instructing to forward the car network V2X service;
  • the second receiving module is configured to: receive a forwarding policy that is sent by the eNB to indicate that the specified V2X service is forwarded through the Uu interface;
  • the second forwarding module is configured to: send the specified V2X service to the eNB according to the forwarding policy, so that the eNB can forward the specified V2X service to the target forwarding area.
  • the request message includes at least one of the following: a data size of the V2X service, a time period for forwarding the V2X service, a probability of forwarding a V2X service, a frequency or a period for sending the V2X service, and forwarding V2X.
  • a data size of the V2X service a time period for forwarding the V2X service
  • a probability of forwarding a V2X service a frequency or a period for sending the V2X service
  • forwarding V2X forwarding V2X.
  • the eNB after receiving the request message sent by the onboard unit OBU for instructing to forward the car network V2X service, the eNB sends a forwarding message to the OBU to indicate that the V2X service is forwarded through the Uu port.
  • the eNB sends a forwarding policy to the OBU to indicate that the specified V2X service is forwarded through the Uu interface, and the eNB receives the specified V2X service sent by the OBU according to the forwarding policy, determines the target forwarding area of the V2X service, and turns to The V2X service is sent to the target forwarding area, that is, in this embodiment, the eNB may forward the V2X service forwarding policy according to the forwarding policy, according to the request of the OBU, or actively send the forwarding policy for forwarding the V2X service through the Uu interface.
  • the eNB forwards the V2X service again, thereby solving the problem in the related art that it is difficult to forward the V2X service through the Uu port.
  • FIG. 1 is a schematic diagram of sending traffic and scheduling information to a vehicle through a network information platform in the related art
  • FIG. 2 is a flowchart of a service forwarding method according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of another service forwarding method according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a service forwarding apparatus according to an embodiment of the present invention.
  • FIG. 5 is a structural block diagram of an optional service forwarding apparatus according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of another service forwarding apparatus according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a source OBU and a target OBU located within a coverage of a base station eNB according to an embodiment of the present invention
  • FIG. 8 is a schematic diagram of a source OBU and a target OBU being respectively located in different eNBs according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a source OBU located outside an eNB according to an embodiment of the present invention.
  • FIG. 10 is a flow chart of a method for forwarding a car network V2X service according to an alternative embodiment of the present invention.
  • FIG. 11 is a flow chart of another method for forwarding a car network V2X service according to an alternative embodiment of the present invention.
  • FIG. 12 is a flow chart of still another method for forwarding a car network V2X service according to an alternative embodiment of the present invention.
  • FIG. 13 is a flow chart of still another method for forwarding a car network V2X service according to an alternative embodiment of the present invention.
  • FIG. 15 is a structural block diagram of an apparatus for forwarding a V2X service according to an optional embodiment of the present invention.
  • FIG. 16 is a structural block diagram of another apparatus for forwarding a V2X service according to an alternative embodiment of the present invention.
  • FIG. 2 is a flowchart of a service forwarding method according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps:
  • Step S202 The base station eNB receives a request message for indicating the forwarding of the car network V2X service, which is sent by the On Board Unit (OBU).
  • the eNB sends an indication to the OBU to indicate the user equipment UE and the eNB through the request message.
  • the inter-interface (Uu interface) forwards the forwarding policy of the specified V2X service; or the eNB sends a forwarding policy to the OBU to indicate that the specified V2X service is forwarded through the Uu interface;
  • Step S204 The eNB receives the specified V2X service sent by the OBU according to the forwarding policy, and determines a target forwarding area of the V2X service.
  • Step S206 The eNB forwards the specified V2X service to the target forwarding area.
  • the eNB after receiving the request message for instructing the forwarding of the car network V2X service sent by the onboard unit OBU, the eNB sends a request message to the OBU to indicate the forwarding through the Uu port in response to the request message.
  • the forwarding policy of the V2X service or, the eNB sends a forwarding policy to the OBU to indicate that the V2X service is forwarded through the Uu interface, and the eNB receives the specified V2X service sent by the OBU according to the forwarding policy, determines the target forwarding area of the V2X service, and forwards the designated V2X.
  • the service is forwarded to the target forwarding area, that is, in this embodiment, the eNB may forward a forwarding policy for forwarding the V2X service according to the request of the OBU, or actively forward the V2X service according to the forwarding policy, and then the eNB may forward the V2X service according to the forwarding policy.
  • Forward V2X service to target forwarding The area solves the problem that it is difficult to forward the V2X service through the Uu port in the related art.
  • the forwarding area involved in this embodiment may include: a cell where the OBU is located, or a cell where the OBU is located and a neighboring cell.
  • the eNB may determine, by using the following manner, the manner in which the specified V2X service is forwarded: the eNB selects a forwarding mode according to the V2X service attribute and the local policy, where the forwarding mode includes at least one of the following: a single cell point Single Cell-Point to Multi-point (SC-PTM), System Information Block (SIB), paging message, multicast/multicast single frequency network (Multicast Broadcast Single Frequency) Network, referred to as MBSFN), Public Warning System (PWS), unicast.
  • SC-PTM Single Cell-Point to Multi-point
  • SIB System Information Block
  • MBSFN multicast/multicast single frequency network
  • PWS Public Warning System
  • the forwarding policy for forwarding the specified V2X service through the Uu interface is sent to the OBU in response to the request message, which can be implemented as follows:
  • Step S202-1 The eNB determines a factor of the forwarding policy, where the factor may include at least one of the following: a V2X service attribute, an operator policy, a Uu port load, and a local load of the eNB;
  • Step S202-2 The eNB determines, according to the factor, a forwarding policy for instructing to forward the specified V2X service through the Uu interface, where the forwarding policy carries the type of the specified V2X service, where the type of the V2X service may include at least one of the following: Sex V2X services, event-triggered V2X services, basic security messages.
  • the forwarding policy may also carry one of the following: the data size of the V2X service for forwarding, the time period for forwarding the V2X service, the probability of forwarding the V2X service, and the sending of the V2X service.
  • the frequency or period the identifier of the OBU used to forward the V2X service, and the priority of the V2X service.
  • the data size of the V2X service may be that the V2X service that meets the indicated size (that is, the data size) in the forwarding criterion (that is, the data size) may be forwarded through the Uu interface, and the time period may refer to the Uu through the Uu period.
  • the probability can be that the OBU that needs to forward the V2X service randomly selects a value between (0, 1). If the value is not greater than the probability (ie, the probability) in the criterion, the OBU can be forwarded by the Uu port.
  • V2X service; transmission frequency or period can be The value of the V2X service is transmitted on the Uu interface.
  • the OBU identifier can be the OBU that can forward the V2X service through the Uu interface.
  • the priority can be that the V2X service that is not lower than the priority can be forwarded through the Uu interface.
  • the level can be indicated by a Quality of Service (QoS) QoS Class Identifier (QCI).
  • QoS Quality of Service
  • QCI Quality of Service Class Identifier
  • the method in this embodiment may further include:
  • the eNB allocates resources for uploading V2X services through the Uu interface.
  • the resource may include a time-frequency location, a power configuration, and the like. That is, the eNB may blindly check V2X service data in the resource, and the eNB may first determine that the received data is a V2X service that needs to be forwarded.
  • FIG. 3 is a flowchart of another service forwarding method according to an embodiment of the present invention. As shown in FIG. 3, the steps of the method include:
  • Step S302 The onboard unit OBU sends a request message for instructing forwarding of the car network V2X service to the base station eNB;
  • Step S304 The OBU receives a forwarding policy sent by the eNB to indicate that the specified V2X service is forwarded through the Uu interface.
  • Step S306 The OBU sends the specified V2X service to the eNB according to the forwarding policy, so that the eNB can forward the specified V2X service to the target forwarding area.
  • the request message includes at least one of the following: a data size of the V2X service, a period of forwarding the V2X service, a probability of forwarding the V2X service, a frequency or a period of sending the V2X service, an identifier of the OBU for forwarding the V2X service, and a V2X service.
  • a data size of the V2X service a data size of the V2X service
  • a period of forwarding the V2X service a probability of forwarding the V2X service
  • a probability of forwarding the V2X service a frequency or a period of sending the V2X service
  • an identifier of the OBU for forwarding the V2X service a V2X service.
  • the method according to the above embodiments can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium (such as ROM/RAM, disk).
  • the optical disc includes a plurality of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method described in the embodiments of the present invention.
  • a service forwarding device is also provided, which is applied to the eNB side and the OBU side.
  • the device is configured to implement the foregoing embodiments and optional implementation manners, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • FIG. 4 is a structural block diagram of a service forwarding apparatus according to an embodiment of the present invention.
  • the apparatus is applied to an eNB side.
  • the apparatus includes: a first receiving module 402 configured to: receive an in-vehicle unit OBU to send a request message for instructing to forward the car network V2X service;
  • the first sending module 404 is coupled to the receiving module 402, and configured to: send, in response to the request message, a forwarding policy for instructing to forward the designated V2X service through the Uu port;
  • the second sending module 406 is configured to: send a forwarding policy to the OBU to indicate that the specified V2X service is forwarded through the Uu interface;
  • the processing module 408 is coupled to the first sending module 404 and/or coupled to the second sending module 406, and configured to: receive the specified V2X service sent by the OBU according to the forwarding policy, and determine a target forwarding area of the V2X service;
  • the first forwarding module 410 is coupled to the processing module 408 to forward the designated V2X service to the target forwarding area.
  • the forwarding area involved in this embodiment includes at least one of the following: a cell where the OBU is located, a cell where the OBU is located, and a neighboring cell.
  • the eNB may determine, by using the following manner, a manner of forwarding the specified V2X service: the eNB selects a forwarding mode according to the V2X service attribute and the local policy, where the forwarding manner may include at least one of the following: : Single-cell point-to-multipoint SC-PTM, system broadcast message SIB, paging message, multicast/multicast single frequency network MBSFN, public early warning system PWS, unicast.
  • the first sending module 404 includes: an acquiring unit, configured to: determine a factor of the forwarding policy, where the factor includes at least one of the following: a V2X service attribute, an operator policy, a Uu port load, and a local load of the eNB;
  • the sending unit is configured to: determine, according to the factor, a forwarding policy that is used to send the specified V2X service by using the Uu interface, where the forwarding policy carries the type of the specified V2X service.
  • the type of the V2X service may include at least one of the following: a periodic V2X service, an event-triggered V2X service, and a basic security message.
  • the forwarding policy may also carry one of the following: data size and forwarding of the V2X service.
  • the time period of the V2X service the probability of forwarding the V2X service, the frequency or period of sending the V2X service, the identifier of the OBU used to forward the V2X service, and the priority of the V2X service.
  • FIG. 5 is a structural block diagram of an optional service forwarding device according to an embodiment of the present invention. It may be illustrated as an optional structural block diagram of FIG. 4. As shown in FIG. 5, the receiving the OBU is sent according to the forwarding policy. Before the specified V2X service, the device may further include:
  • the configuration module 502 is coupled to the first receiving module 402 and/or the second sending module 406, and configured to: allocate resources for uploading V2X services through the Uu interface.
  • FIG. 6 is a structural block diagram of another service forwarding apparatus according to an embodiment of the present invention.
  • the apparatus is applicable to an OBU side.
  • the apparatus includes: a third sending module 602, configured to: send to the base station eNB, a request message of the V2X service; the second receiving module 604 is coupled to the second sending module 602, and is configured to: receive a forwarding policy sent by the eNB to indicate that the specified V2X service is forwarded through the Uu interface; the second forwarding module 606, and the The two receiving modules 604 are coupled and configured to: send the designated V2X service to the eNB according to the forwarding policy, so that the eNB can forward the specified V2X service to the target forwarding area.
  • a third sending module 602 configured to: send to the base station eNB, a request message of the V2X service
  • the second receiving module 604 is coupled to the second sending module 602, and is configured to: receive a forwarding policy sent by the eNB to indicate that the specified V
  • the request message includes at least one of the following: a data size of the V2X service, a period of forwarding the V2X service, a probability of forwarding the V2X service, a frequency or a period of sending the V2X service, an identifier of the OBU for forwarding the V2X service, and a V2X service.
  • the foregoing modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are respectively located in multiple processors. .
  • the present invention provides a method for forwarding a V2X service, the method includes: the onboard unit OBU receives a criterion for forwarding a V2X service through a Uu interface, or the OBU sends a request message for forwarding a V2X service to an eNB, where the OBU sends a request message to the base station according to an indication of the eNB.
  • the V2X service is sent, and the base station that receives the V2X service forwards the V2X service in the effective area; the OBU in the active area detects and receives the required V2X service.
  • FIG. 7 is a schematic diagram of a source OBU and a target OBU located within a coverage of a base station eNB according to an embodiment of the present invention, and is described in conjunction with FIG. 7;
  • the OBU receives the V2X forwarding criterion (corresponding to the forwarding policy in the above embodiment).
  • the forwarding criterion may be that the eNB periodically sends the OBU to the OBU through the Uu interface, or the OBU receives the forwarding criterion through the non-access stratum NAS signaling or the application layer signaling.
  • the forwarding criterion can be used to indicate to the OBU which V2X services can be forwarded through the Uu interface, and the eNB can determine forwarding criteria according to at least one of the following: an operator policy, a Uu port load, and a local load.
  • the criteria can be transmitted via RRC signaling.
  • the criterion information may include at least one of the V2X service types, and the V2X service type refers to at least one of the following: a periodic V2X service, an event-triggered V2X service, and a basic security message.
  • the criterion information may further include: a V2X service size, a time period, a probability, a transmission frequency or a period, an OBU identifier, a priority, etc., where the V2X service size refers to a V2X service that meets the indicated size in the standard, and may be forwarded through the Uu port;
  • the OBU can be forwarded by the eNB during the time period.
  • the probability is that the OBU that needs to forward the V2X service randomly selects a value between (0, 1). If the value is not greater than the probability value in the criterion, the OBU can forward the V2X through the Uu interface.
  • the transmission frequency or period refers to the transmission frequency or period of the V2X service on the Uu interface;
  • the OBU identifier refers to the OBU that can forward the V2X service by using the Uu interface;
  • the priority is that the V2X service that is not lower than the priority can be forwarded by the eNB.
  • the priority can be indicated by a QoS Class Identifier (QCI).
  • QCI QoS Class Identifier
  • the eNB sets a resource pool for Uu port forwarding, and the resource pool may be indicated in the criterion information or indicated separately.
  • the resource pool may be used by the OBU to upload the V2X service to the eNB, and may include a time-frequency location, a power configuration, and the like.
  • the V2X service in this alternative embodiment may include at least one of the following: V2V, V2I, V2P, V2N.
  • the OBU may send the eNB to the eNB.
  • the forwarding request may be transmitted through a Radio Resource Control (RRC) signaling, and the forwarding request may include: an OBU identifier, and/or a V2X service identifier; and may include: a cause, a time period, a V2X data size, V2X data transmission frequency or period, V2X service priority, and V2X service delay.
  • RRC Radio Resource Control
  • the reason is used to indicate the reason for the OBU to request forwarding.
  • the time period, data size, and sending frequency are the same as the foregoing.
  • the V2X service priority refers to the priority identifier, such as the QoS Class Identifier (QCI).
  • QCI QoS Class Identifier
  • the V2X service delay refers to the delay requirement of the V2X service.
  • the eNB may receive the forwarding request message of the OBU, and the eNB may determine whether to accept the request, and if yes, send a success indication response to the OBU, otherwise, send a failure indication response to the OBU.
  • the eNB may determine whether to accept the request according to at least one of the following: an operator policy, a Uu port load, and a local load.
  • the eNB may send a success response message if the operator policy allows forwarding and/or the Uu port and the eNB local load allow forwarding.
  • the response message sent by the eNB may be transmitted through RRC signaling.
  • the eNB allocates a Uu interface to the V2X service according to the OBU request message, and sends the resource configuration information of the uploaded resource to the OBU, where the resource configuration information can be sent through the L1/L2 layer or the RRC layer signaling.
  • the OBU uploads V2X service data through the Uu port.
  • the OBU can upload the V2X service through the Uu interface according to the forwarding criterion of the eNB or the response message of the eNB.
  • the V2X service can refer to the V2X service that is allowed to be forwarded through the Uu interface.
  • the OBU may upload the V2X service according to the resource indicated by the eNB or the resource selected in the resource pool.
  • the uploading may be performed periodically at the Uu port with a transmission frequency not greater than that indicated by the eNB.
  • the OBU stops uploading the V2X service; optionally, the OBU may send the eNB to the eNB before stopping the uploading.
  • the eNB determines the manner in which the V2X service is forwarded.
  • the eNB may receive the V2X service data sent by the OBU on the OBU upload resource. If the transmission resource selected by the OBU is not known, the eNB may blindly check the V2X service data in the resource pool. The eNB may first determine that the received data is a V2X service that needs to be forwarded, and the eNB may determine the V2X service identifier, the resource location, and the forwarding identifier by using at least one of the following:
  • the eNB may select a forwarding mode according to the V2X service attribute and the local policy, and the forwarding mode may include at least one of the following: a single-cell point-to-multipoint SC-PTM, a system broadcast message SIB, a paging message, an MBSFN, a PWS, and a unicast.
  • the eNB forwards the V2X service data.
  • the eNB may determine a forwarding area and a forwarding area of the V2X service according to the service attribute and the operator policy.
  • the domain may include: a cell where the source OBU is located, or a cell where the source OBU is located and a neighboring cell.
  • the target OBU detects and receives the required V2X service.
  • the source OBU may be an OBU that uploads a V2X service through the Uu interface.
  • the target OBU may refer to an OBU that receives the V2X service through the Uu interface.
  • FIG. 8 is a schematic diagram of a source OBU and a target OBU respectively located in different eNBs according to an embodiment of the present invention, and is described in conjunction with FIG. 8;
  • the eNB where the source OBU is located determines that the transmitting and receiving OBUs are located in different eNB coverages.
  • the source eNB interacts with the eNB where the target OBU is located through the X2 interface, and the interaction content may include: the source eNB requests the target eNB to forward the V2X service through the Uu interface, the target eNB responds to the request of the source eNB; and the eNB transmits the V2X service through the X2 interface.
  • Data and resource configuration information c
  • the following V2X service data transmission path is formed: source OBU->source eNB->target eNB->target OBU.
  • the source OBU and the target OBU are respectively located in different eNB coverages, with the difference that there is no X2 interface available between the eNBs.
  • the eNBs forward the V2X service data through the S-GW, and the control plane signaling is implemented by the Mobility Management Entity (MME).
  • MME Mobility Management Entity
  • the final V2X service data transmission path is as follows: source OBU->source eNB->S-GW->target eNB->target OBU.
  • the OBU can continue to broadcast and transmit V2X service data on the PC5 while transmitting V2X service data to the eNB.
  • the target OBU can receive the required V2X service from Uu or PC5.
  • the onboard unit OBU may be equivalent to the user equipment UE or the in-vehicle mobile terminal;
  • the base station forwarding criterion or the response message may be sent by using a system broadcast message or a dedicated RRC message;
  • the system broadcast message may be an SIB message in a related technology (such as the 3GPP specification), and a corresponding field or an SIB message newly added for the V2X;
  • FIG. 9 is a schematic diagram of a source OBU located outside an eNB according to an embodiment of the present invention.
  • the scenario is similar to the scenario of the scenario 1.
  • the scenario includes: OBU2 discovers or selects a UE-to-network (Network, referred to as NW for short).
  • NW Network
  • the source OBU2 sends signaling and V2X data to the eNB through the relay, and the eNB sends a forwarding criterion, signaling, and response message to the OBU through the relay.
  • the resulting V2X service data path is: source OBU2->relay->eNB->target OBU (such as OBU1).
  • FIG. 10 is a flowchart of a method for forwarding a car network V2X service according to an optional embodiment of the present invention. As shown in FIG. 10, the steps of the method include:
  • step S1002 the eNB sends a V2X service forwarding criterion.
  • the eNB may periodically send the forwarding criterion by using broadcast RRC signaling. Guidelines can be updated as needed. If the criteria is updated, the eNB may send the updated criteria by modifying the period, or indicate the update by paging and notification messages, and send updated criteria after the paging and indication or during the modification period. In addition, the guidelines may or may not include: OBU upload resource configuration.
  • the resource configuration can be a resource pool.
  • step S1004 the OBU determines whether to request uploading of resources, and if yes, proceeds to step S1006, otherwise proceeds to step S1016.
  • the OBU can receive the criterion message sent by the eNB, and determine whether the criterion message includes the upload resource configuration information. If yes, the OBU can obtain the resource from the resource pool to upload the V2X service. Otherwise, the OBU can send the resource request message to the eNB.
  • step S1006 the OBU requests the eNB to upload the resource.
  • the OBU may request an upload resource from the eNB through RRC signaling or layer 1 (Layer 1, L1 for short) or layer 2 (Layer 2, L2 for short) layer signaling.
  • the request may include: a V2X service attribute.
  • step S1008 the eNB configures an upload resource for the OBU and notifies the OBU.
  • the eNB may allocate resources for the V2X service according to the request message of the OBU, and the eNB may notify the OBU of the configuration resource, and the notification may be transmitted through the RRC signaling.
  • Resource configuration can consider: V2X service requirements, such as size, frequency or period, delay, priority, etc.
  • step S1010 the OBU sends a V2X service to the eNB.
  • the OBU can send V2X services through the Uu interface, and the V2X services can be repeatedly sent at regular intervals.
  • the OBU can transmit V2X service data through an Internet Protocol (IP) bearer or a V2X dedicated (non-IP) bearer.
  • IP Internet Protocol
  • non-IP non-IP
  • step S1012 the eNB receives and forwards the V2X service.
  • the eNB may receive the V2X service sent by the OBU, and may select the forwarding mode and the forwarding area according to the V2X service attribute, and/or the local load, and/or the operator policy.
  • the forwarding area may include: a cell where the source OBU is located, or a cell where the source OBU is located and a neighboring cell.
  • step S1014 the OBU detects and receives the required V2X service.
  • the OBU may include all the OBUs that are interested in receiving V2X services in the cell coverage by the eNB; the OBU may detect the required V2X services according to the eNB indication or blindly check the required V2X services in the resource pool.
  • step S1016 the OBU obtains the uploaded resource from the resource pool, and proceeds to step S1010.
  • the OBU may select a resource for uploading the V2X service in the resource pool according to the resource pool information indicated by the eNB.
  • FIG. 11 is a flowchart of another method for forwarding a car network V2X service according to an alternative embodiment of the present invention. As shown in FIG. 11, the steps of the method include:
  • Step S1102 The OBU requests the eNB to forward the V2X service.
  • the OBU may request the eNB to forward the V2X service through RRC signaling.
  • the OBU may be in at least one of the following cases: no criteria for receiving the eNB, no criteria for compliance, and no criteria for the eNB to transmit.
  • Step S1104 the eNB determines whether to accept the request, and if so, then proceeds to step S1106, otherwise proceeds to step S1114;
  • the eNB can comprehensively determine whether to accept the request according to the attributes of the V2X service, the number of requested OBUs, the local load, and the operator policy.
  • Step S1106 The eNB sends an accept response message and instructs to upload the resource.
  • the base station eNB may send an accept response message by using the RRC signaling, and the eNB may indicate the uploading resource by using the RRC signaling or the L1/L2 layer signaling.
  • the uploading resource may include at least one of the following: a resource pool, and a specified resource location.
  • Step S1108 The OBU uploads the V2X service.
  • the OBU can upload the V2X service according to the resource configuration information.
  • Step S1110 The eNB receives and forwards the V2X service.
  • the eNB may determine a forwarding mode and a forwarding area, where the forwarding area may include: a cell where the source OBU is located, or a cell where the source OBU is located and a neighboring cell.
  • Step S1112 the OBU detects and receives the V2X service
  • step S1114 the eNB sends a reject response message.
  • the eNB may determine to reject the forwarding request message, and accordingly, the eNB may send a reject response message by using RRC signaling.
  • FIG. 12 is a flowchart of still another method for forwarding a car network V2X service according to an alternative embodiment of the present invention. As shown in FIG. 12, the steps of the method include:
  • Step S1202 the eNB determines that the target OBU is located in a different eNB coverage
  • the eNB may determine the location of the OBU in multiple manners, such as an indication of the source OBU, or an indication of the target OBU, or an indication of other network elements.
  • Step S1204 the source eNB determines whether there is an X2 interface with the target eNB, and if so, then proceeds to step S1206, otherwise, proceeds to step S1214;
  • the source eNB may be the eNB where the source OBU is located, and the target eNB may be the eNB where the target OBU is located.
  • the source eNB may determine whether there is an X2 interface (an interface between the eNBs) and the target eNB according to a related art (such as the 3GPP specifications). If not, the source eNB may determine that both the source eNB and the target eNB have S1 (eNB and service).
  • An S-GW connected to the interface between the gateway (Serving Gateway, S-GW for short).
  • the X2 port can refer to the available X2 port.
  • Step S1206 the OBU uploads the V2X service.
  • Step S1208 The eNB forwards the V2X service through the X2 port.
  • the eNB can receive the V2X service that is uploaded by the OBU, and forward the V2X service through the X2 interface between the eNB and the eNB where the target OBU is located. Before the source eNB forwards the V2X service, the source eNB may perform signaling interaction with the target eNB through the X2 interface to determine that the target eNB can forward the V2X service.
  • Step S1210 The target eNB receives and forwards the V2X service.
  • the target eNB may determine a forwarding mode and a forwarding area.
  • Step S1212 the target OBU detects and receives the required V2X service
  • step S1214 the source eNB forwards the V2X service through the S-GW, and proceeds to step S1210.
  • the source eNB may send the V2X service to the S-GW through the S1-U interface, and the S-GW may forward the V2X service to the target eNB through the S1-U interface. Before forwarding the V2X service to the S-GW, the source eNB may perform signaling interaction with the MME through the S1-MME interface to determine that the V2X service can be forwarded through the S-GW.
  • FIG. 13 is a flowchart of still another method for forwarding a car network V2X service according to an alternative embodiment of the present invention. As shown in FIG. 13, the steps of the method include:
  • Step S1302 the OBU discovers or selects a UE to the NW relay (UE-to-NW relay);
  • the OBU can discover or select the UE-to-NW relay according to related technical processes.
  • Step S1304 the OBU sends a V2X service to the Relay.
  • the OBU can send the V2X service to the relay through the PC5 interface between the and the relay.
  • Step S1306 the relay uploads the V2X service to the eNB
  • the relay can forward the V2X service to the eNB through the Uu interface. Before forwarding the V2X service, the relay may also perform signaling interaction with the eNB to determine that the eNB can forward the V2X service.
  • Step S1308 the eNB sends V2X service data to the target OBU.
  • the eNB may determine the forwarding mode and the forwarding area, and forward the V2X service data in the forwarding area.
  • step S1310 the target OBU detects and receives the required V2X service.
  • FIG. 14 is a flowchart of still another method for forwarding a car network V2X service according to an alternative embodiment of the present invention. As shown in FIG. 14, the steps of the method include:
  • Step S1402 The OBU obtains a forwarding criterion by using a non-access stratum (Non-Access-Stratum, NAS for short) signaling or application layer signaling.
  • a non-access stratum Non-Access-Stratum, NAS for short
  • NAS Non-Access-Stratum
  • the NAS signaling may be indicated by the MME to the OBU, and the application layer signaling may be indicated by the application layer entity (such as an application server) to the OBU.
  • the application layer entity such as an application server
  • Step S1404 the OBU sends a forwarding request to the eNB.
  • Step S1406 the eNB determines whether to accept the request, if yes, then proceeds to step S1408, otherwise, proceeds to step S1416;
  • the eNB can comprehensively determine whether to accept the request according to the attributes of the V2X service, the number of requested OBUs, the local load, and the operator policy.
  • Step S1408 the eNB sends an accept response message and instructs to upload the resource.
  • the base station eNB may send an accept response message by using the RRC signaling, and the eNB may indicate the uploading resource by using the RRC signaling or the L1/L2 layer signaling.
  • the uploading resource may include at least one of the following: a resource pool, and a specified resource location.
  • Step S1410 the OBU uploads the V2X service
  • the OBU can upload the V2X service according to the resource configuration information.
  • Step S1412 the eNB receives and forwards the V2X service.
  • the eNB may determine a forwarding mode and a forwarding area, where the forwarding area includes: a cell where the source OBU is located, or a cell where the source OBU is located and a neighboring cell.
  • Step S1414 the OBU detects and receives the V2X service
  • step S1416 the eNB sends a reject response message.
  • FIG. 15 is a structural block diagram of an apparatus for forwarding a V2X service according to an alternative embodiment of the present invention.
  • the apparatus includes: a first receiver 1502, configured to: receive a request message sent by an OBU, and a V2X service. Data; first transmitter 1504, set to: to the OBU or neighboring eNB Or the S-GW forwards the V2X service data and the V2X service-related control information.
  • the first processor 1506 is configured to: determine whether to accept the forwarding request, and further set to: determine the V2X sending mode and the forwarding area.
  • the device may be an LTE base station eNB.
  • FIG. 16 is a structural block diagram of another apparatus for forwarding a V2X service according to an alternative embodiment of the present invention.
  • the apparatus includes: a second receiver 1602, configured to: receive a forwarding request response message sent by a base station, and V2X service data, resource configuration information of the V2X service; the second transmitter 1604 is configured to: send a forwarding request message and V2X service data to the base station; the second processor 1606 is configured to: determine a V2X service receiving mode and detect the V2X service .
  • the apparatus may comprise an LTE OBU or a DSRC OBU or an LTE User Equipment UE.
  • the embodiment of the invention further provides a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the base station eNB receives a request message sent by the onboard unit OBU for instructing to forward the car network V2X service; the eNB sends a forwarding policy for instructing to forward the specified V2X service through the Uu port to the OBU in response to the request message; or, the eNB sends the OBU to the OBU. Sending a forwarding policy for indicating that the specified V2X service is forwarded through the Uu interface;
  • the eNB receives the specified V2X service sent by the OBU according to the forwarding policy, and determines a target forwarding area of the V2X service.
  • the embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented when the computer executable instructions are executed.
  • modules or steps of the embodiments of the present invention may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices. Alternatively, they may be implemented by program code executable by a computing device such that they may be stored in a storage device by a computing device and, in some cases, may be executed in a different order than herein.
  • the steps shown or described, or they may be fabricated into multiple integrated circuit modules, or multiple modules or steps may be made Implemented as a single integrated circuit module.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the eNB after receiving the request message sent by the onboard unit OBU for instructing to forward the car network V2X service, the eNB sends a forwarding message to the OBU to indicate that the V2X service is forwarded through the Uu port.
  • the eNB sends a forwarding policy to the OBU to indicate that the specified V2X service is forwarded through the Uu interface.
  • the eNB receives the specified V2X service sent by the OBU according to the forwarding policy, determines the target forwarding area of the V2X service, and forwards the specified V2X.
  • the service is forwarded to the target forwarding area, that is, in this embodiment, the eNB may forward a forwarding policy for forwarding the V2X service according to the request of the OBU, or actively forward the V2X service according to the forwarding policy, and then the eNB may forward the V2X service according to the forwarding policy.
  • the V2X service is forwarded, thereby solving the problem in the related art that it is difficult to forward the V2X service through the Uu port.

Abstract

L'invention concerne un procédé de transfert de service qui comprend les opérations suivantes : une station de base (un nœud B évolué (eNB)) reçoit un message de requête envoyé par une unité embarquée dans un véhicule (OBU) et utilisée pour indiquer le transfert d'un service de réseau de véhicule (V2X) ; en réponse au message de requête, l'eNB envoie à l'OBU une politique de transfert utilisée pour indiquer le transfert d'un service V2X spécifié au moyen d'une interface Uu ; ou l'eNB envoie à l'OBU une politique de transfert utilisée pour indiquer le transfert d'un service V2X spécifié au moyen d'une interface Uu ; l'eNB reçoit le service V2X spécifié envoyé par l'OBU selon la politique de transfert, et détermine la zone de transfert cible du service V2X ; et l'eNB transfère le service V2X spécifié à la zone de transfert cible.
PCT/CN2016/089454 2015-11-02 2016-07-08 Procédé et appareil de transfert de service WO2017076056A1 (fr)

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